– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Mon 29 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Mon 29 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Mon 29 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 3mm), mostly falling on Tue morning. Very mild (max 13°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Thu afternoon. Very mild (max 19°C on Sat afternoon, min 11°C on Thu morning). Wind will be generally light. | |||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | | | | | | |  | | | |  | |  | |
light rain | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | light rain | light rain | light rain | rain shwrs | rain shwrs | cloudy | rain shwrs | cloudy | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.1 | 0.3 | 0.3 | 0.4 | 0.5 | 0.2 | 0.1 | 0.5 | 0.4 | 0.2 | 0.4 | 0.4 | 0.3 | 0.4 | 0.1 | — | 0.1 | — |
max °C | 11 | 13 | 13 | 11 | 13 | 13 | 10 | 12 | 12 | 13 | 15 | 14 | 12 | 17 | 16 | 17 | 19 | 16 |
min °C | 11 | 12 | 11 | 11 | 12 | 10 | 10 | 11 | 10 | 11 | 14 | 11 | 11 | 16 | 12 | 14 | 17 | 12 |
chill °C | 11 | 12 | 11 | 11 | 12 | 10 | 10 | 11 | 10 | 11 | 14 | 11 | 11 | 16 | 12 | 14 | 17 | 12 |
Freezing level m | 3650 | 3500 | 3250 | 3000 | 2750 | 2500 | 2300 | 2500 | 2650 | 2650 | 2700 | 2650 | 2650 | 3150 | 3350 | 3050 | 3050 | 2900 |
Cloud base (m) | 600 | 600 | 950 | 700 | 700 | 850 | 600 | 750 | 2050 | 850 | 1650 | 800 | 600 | 1500 | 6350 | 1900 | 2550 | 1950 |
 | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:11 | — | — |
 | — | — | 9:14 | — | — | 9:14 | — | — | 9:14 | — | — | 9:13 | — | — | 9:13 | — | — | 9:13 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 3mm), mostly falling on Tue morning. Very mild (max 13°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Thu afternoon. Very mild (max 19°C on Sat afternoon, min 11°C on Thu morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.